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portmesosmarathon

Marathon, Mesos - start app on ports from my range

It is possible to start app on Mesos with Marathon on ports which range I set? . For example I want start this app:

{
"id": "http",
"cmd": "python -m SimpleHTTPServer $PORT",
"mem": 50,
"cpus": 0.1,
"instances": 1
}

only on posts from this range [31000 - 31010]. it is possible?

Solution

  • This is not directly supported, but you can achieve through Mesos resource roles.

    When you start a Mesos Slave, you can specify a list of resources and the roles they belong to (http://mesos.apache.org/documentation/attributes-resources/). If you specify that the port range [31000 - 31010] belongs to a specific role, then you can tell Marathon (via the acceptedResourceRoles attribute) to schedule the tasks using only offers belonging to that role.